Hörspirale / Listening Spiral
🇬🇧 English instruction:
Place your ear on one end of the spiral and speak into the other end slowly and
• Use short words, say them loudly.
• How much time do you recon passes between speaking and hearing?
• How long do you think the listening spiral is?
Small male frogs that can’t find a mate because their vocal sacs are too small,
have a better chance of being heard when the temperature is lower; Because
cold air has better sound transmission, their calls are heard better.
Mehr dazu in unserem Stationenpark-Handbuch
Find out more in our Handbook
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